51.   Leukemia patients need high-dose chemotherapy, which destroys their bone marrow in the process of killing cancer cells.

52.   Matrix Pharmaceutical, for instance, announced positive results from a Phase III trial of a new chemotherapy drug that kills cancer cells with fewer side effects.

53.   Marcil, a longtime Kaiser member, was left impotent last fall after two years of radiation therapy to kill cancer cells in his prostate.

54.   Microorganisms that cause chronic infections also kill cells and stimulate cell division, he said, and high rates of cell division are associated with increased mutagenesis and carcinogenesis.

55.   More than that, she imagined isolating the compound in breast milk that kills cancer cells and creating an across-the-board antidote.

56.   Monoclonal antibodies like Herceptin by Genentech and Rituxan by Idec and Genentech can selectively bind to cancer cells but do not always kill the cells.

57.   Now, the T cells were unable to kill even cells infected with the original, unmutated AIDS virus.

58.   Onyx has developed a novel therapy that uses a genetically-modified virus to kill cancer cells.

59.   Other antibodies are paired with radioactive or other toxic substances that attach to and kill the cell.

60.   Oncologists have to deliver a dose high enough to kill cancer cells, but low enough so that healthy cells can recover from the bombardment.